Adjustable machine-tool vise

ABSTRACT

A vise which has the working position of its jaws adjustable through 360* both vertically and horizontally by a single locking device which holds it firmly in its adjusted position.

Wired States Patent Inventor Karl Welker 1 Waterloo, Ontario, CanadaAppl. No. Filed Patented Assignee ADJUSTABLE MACHINE-TOOL VISE 6 Claims,5 Drawing Figs.

US. Cl 269/72, 287/54, 269/78 Int. Cl 1325b 1/22 Field ofSearch...269/72, 73, 75,78, 81,7l,247;287/54(E), 14

[56] References Cited UNlTED STATES PATENTS 711,607 10/1902 Williamson269/72 790,165 5/1905 Williamson... 269/72 943,573 12/1909 Simon 287/141,554,710 9/1925 Busch 269/247 2,957,362 10/ l 960 Kelm 269/71 v FOREIGNPATENTS 547,596 1922 France 269/72 Primary Examiner-Andrew R. JuhaszAssistant ExaminerDonald D. Evenson Attorney-George H. Riches ABSTRACT:A vise which has the working position of its jaws adjustable through 360both vertically and horizontally by a single locking device which holdsit firmly in its adjusted position.

PATENTED JAIN 19l97| 3.556506 sum 1 or 2 A++ornev I lnver11'or Karlwelker I slssslsoe PAIENTEU JAN 1 9 mi sum 2 OF 2 AH'orneV ADJUSTABLEMACHINE-TOOL VISE BACKGROUND OF THE INVENTION Heretofore the vise jawshave required a means for effecting the vertical adjustment of theworking position with a separate means for effecting the horizontaladjustment of the working position. The disadvantage of such structuresare numerous.

DESCRIPTION OF THE INVENTION The invention has for its object a vise inwhich the means of the jaws can be rotated horizontally or verticallythrough 360 to any desired working position.

A further object is to provide this type of vise with jaw sectionsslidable within each other and operated by a single center spindle andarranged so that by removing a small section at one end of the vise, thecomplete unit can be dismantled from its base support, which support,thereupon, can be used as a separate clamping device for tools,etc., and the top of which device can be used as an anvil.

Further objects and features of; the invention will be apparent from thefollowing detailed description when taken in connection with theaccompanying drawings, in which:

FIG. 1 is a cross-sectional view of a horizontally and verticallyadjustable machine-tool vise according to the invention;

FIG. 2 shows a section of the vise taken along the line 2-2 of FIG. 1and illustrating the means for holding and adjusting the jaw sections;

FIG. 3 is a section of the vise taken along the line 3-3 of FIG. 1 andshowing the means for locking these sections;

FIG. 4 is a plan view of the jaw sections and clamping means for holdingsame; and

FIG. 5 is a plan view of the base support rotatably mounting thearrangement of FIG. 4, and, the key means for locking and unlocking samein any vertical and horizontal position.

Referring now to the drawings in which like numerals designate likeparts, the embodiment shown in FIG. 1 comprises a base plate 1 with acentral bore 2 in which a substantially cylindrical, split stud 3, FIGS.2, 3 and 4, is rotatably mounted. The stud 3 which projects downwardlyfrom a C- shaped clamp 4, FIG. 4, consists of two joinable halves 3a and3b, respectively, which are arranged such that each half is integrallyformed with one free end, 4a and 4b respectively, FIG. 4, of the C-clamp4 and such, that upon joining or drawing together of these two studsections, the free ends of the clamp are correspondingly drawn together.

The clamp 4 arranged with a central bore 5, adapted to engage and holdthe vise arrangement 6, at its upper part is formed into a plane whichsuitably serves as an anvil, 4c, and,

at its lower side is formed with its two free ends 4a and 4b.

Projecting upwardly from the base 1 and engaging the stud 3 is a hub 7provided with a first cylindrical bore 8 which extends coaxially withthe baseplate bore 2 and with a second cylindrical bore 9 whichlaterally and transversely intersects the bore 8 through a small arc, asclearly shown in FIG. 3.

Formed at the intersection of the first bore 8 and the second bore 9 andextending transversely relative to the longitudinal axis of the bore 8,is a substantially elliptical recess 10, FIG. 5, formed through thewalls of these bores via which recess a first and a second clampingpieces 11 and 12 movably arranged inside the bore 9, actively engage andcompress the stud sections 3a and 3b under actuation of a clamping screw13 rotatably journaled through these clamping pieces.

As can be seen from FIG. 5, these clamping pieces, 11, 12, in the formof bushings are adapted to be coaxially arranged inside the bore 9adjacent each other and disposed to be drawn and joined together by theclamping screw 13; to this extent, the outer piece 12 is arranged withinner threads which mesh with outer threads on the screw 13. Sandwichedbetween the outer piece 12 and a shoulder portion 14 of the screw 13, isthe second piece 11 and, journaled through the shoulder portion 13 is acrank 15 disposed to actuate the screw 13, in a manner known per se.

As shown in FIG. 5, the inner opposite ends of the clamping pieces 11and 12 are chamfered such that when drawn together, a substantially ovaland concave recess is formed, the concave contour of which correspondsto and laterally engages the exterior of the stud halves 3a and 3bthereby compressing same and locking the stud 3 firmly inside the hub 7and, at the same time, locking the vise arrangement 6 inside the clamp4.

Arranged circumferentially in the exterior of the stud 3 is a groove 16disposed to permit free passage of the screw 13 through that section ofthe stud adjacent the intersection of the first and second bore, 8 and9, respectively.

Rotatably and lengthwise movably arranged in the C-clamp 4, is the visearrangement 6, consisting of a fixed jaw section 17 and a jaw section 18movable relative to the section 17. The jaw section 17 is seen tocomprise a first jaw 19 integrally formed with and enclosing a guidetube 20 adapted to slidably receive a sliding tube 21 enclosed by andintegrally formed with a second jaw 22.

' A key and keyway 20a is provided between the guide tube 20 and slidingtube 21 inserted therein, to ensure longitudinal movement of the slidingtube and to prevent rotary movement thereof.

Extending longitudinally inside the sliding tube 21 is a screw spindle23 which at its operated side is connected via an opening 24 arranged inthe jaw 22, to a crank 25 journaled through a shoulder portion 26 of thescrew 23 at the outer end of the jaw 22. v

Sandwiched between the shoulder portion 26 and the outer surface 27 ofthe jaw 22 is a connector disc 28 integrally formed with the shoulderportion 26 and adapted, via the screw connections 29, to detachablyposition the spindle 23 inside the sliding tube 21.

Nutwise and fixedly positioned inside the tube 21 is a spindle guide inthe form of a third tube 30 rigidly connected at its inoperative end 31to a circular connector cap 32 enclosing the outer end 31 of the tube 20anddetachably connected thereto via the screw connections 33.

The spindle. guide 30 is arranged with inner threads 34 meshing withouter threads 35 of the spindle 23 to permit same to be turned in andout so as to increase or decrease the width between the two jaws, 19 and22.

Upon loosening of the screws 33, the spindle guide 30 can be completelyturned out and detached from the spindle 23, thereby rendering the visearrangement 6 completely detachable from the C-clamp 4 after looseningof the clamping screw 13.

It will be understood from the foregoing that, upon positioning of thevise arrangement 6 in the C-clamp 4 in any desired vertical positionwithin a range of 360 and, upon positioning of the stud 3 in the hub 7in any suitable horizontal position within a range of 360, the clampingscrew 13 actuated by the crank 15, draws the clamping pieces 11 and 12into engaging contact with the stud halves 3a and 3b thereby tighteningand securing the latter against rotation in the hub 7, as a result ofwhich the vise arrangement 6 loosely positioned in the C- clamp 4, istightened and locked against rotation within the clamp.

Iclaim:

1. In a position adjustable tool vise having a fixed jaw section with anaxially horizontal extending guide tube, a movable jaw section with asliding tube inserted in said guide tube for longitudinal movementtherein and, a screw spindle inside said tubes for moving said movingsection relative to said fixed section, wherein the improvementcomprises:

a. a base plate for mounting said sections and having a central orifice;

b. a support clamp having a central bore adjustably enclosing part ofsaid guide tube and, having its free ends formed into parallelprojections rotatably mounted in said central orifice;

c. clamping means arranged on said base plate and peripherally engagingsaid projections, whereby upon tightening of said clamping means saidsupport clamp is secured against rotation on said base plate and saidguide tube is held against rotation withinv said support clamp;

a key and keyway are arranged between said guide tube and said slidingtube to ensure longitudinal movement of 5 the latter inside said guidetube and to prevent rotary movement of same;

e. said screw spindle being provided with outer threads meshing withinner threads arranged at one end of a bore of an elongated spindlesupport tube disposed lengthwise inside said sliding and guide tube;

said support clamp having a C-shaped, configuration and said parallelprojections being formed by two compressible stud sections, each sectionof said stud being integrally formed with one free end of said C-shapedclamp so that upon joining of these two stud sections, said free ends ofsaid clamp are correspondingly drawn together, the upper section of saidC-clamp is formed into a plane to form an anvil;

g. said clamping means having a cylindrical hub having a first centralbore extending coaxially with said central orifice in said base plate, asecond bore laterally intersecting said first bore through a small arcand, clamping pieces arranged in said second bore and actuated by aclamping screw for peripherally engaging and projections.

2. A tool vise according to claim 1, wherein said second boretransversely intersects said first central bore and opens thereinthrough a substantially elongated recess arranged in the walls of saidbores to permit clamping engagement of said clamping pieces with saidstud sections through said recess.

3. A tool vise according to claim 1 wherein at the transverseintersection of said first and second bore a groove is arrangedcircumferentially in the exterior of said stud sections to permit freepassage of said screw through that section of the stud sections adjacentthe intersection of said first and second bore.

4. A tool vise according to claim 2, wherein said clamping pieces are-in the form of two adjacent and axially aligned bushings movably anddetachably arranged inside said second bore and drawn together by saidclamping screw into clamping engagement with said stud sections.

5. A tool vise according to claim 4, wherein the inner adjoining ends ofsaid clamping pieces are chamfered and form a curved recesscorresponding and cooperating with the exterior of said stud sections.

6. A tool vise according to claim 4, wherein said pieces have a centralpassage in which said clamping screw is rotatably journaled and, whereinone of said pieces is arranged with inner threads meshing with the outerthreads of said screw and, the second of said pieces is sandwichedbetween said first piece and a shoulder portion of said screw and, meansfor turning said screw to draw said pieces together.

1. In a position adjustable tool vise having a fixed jaw section with anaxially horizontal extending guide tube, a movable jaw section with asliding tube inserted in said guide tube for longitudinal movementtherein and, a screw spindle inside said tubes for moving said movingsection relative to said fixed section, wherein the improvementcomprises: a. a base plate for mounting said sections and having acentral orifice; b. a support clamp having a central bore adjustablyenclosing part of said guide tube and, having its free ends formed intoparallel projections rotatably mounted in said central orifice; c.clamping means arranged on said base plate and peripherally engagingsaid projections, whereby upon tightening of said clamping means saidsupport clamp is secured against rotation on said base plate and saidguide tube is held against rotation within said support clamp; d. a keyand keyway are arranged between said guide tube and said sliding tube toensure longitudinal movement of the latter inside said guide tube and toprevent rotary movement of same; e. said screw spindle being providedwith outer threads meshing with inner threads arranged at one end of abore of an elongated spindle support tube disposed lengthwise insidesaid sliding and guide tube; f. said support clamp having a C-shaped,configuration and said parallel projections being formed by twocompressible stud sections, each section of said stud being integrallyformed with one free end of said C-shaped clamp so that upon joining ofthese two stud sections, said free ends of said clamp arecorrespondingly drawn together, the upper section of said Cclamp isformed into a plane to form an anvil; g. said clamping means having acylindrical hub having a first central bore extending coaxially withsaid central orifice in said base plate, a second bore laterallyintersecting said first bore through a small arc and, clamping piecesarranged in said second bore and actuated by a clamping screw forperipherally engaging and projections.
 2. A tool vise according to claim1, wherein said second bore transversely intersects said first centralbore and opens therein through a substantially elongated recess arrangedin the walls of said bores to permit clamping engagement of saidclamping pieces with said stud sections through said recess.
 3. A toolvise according to claim 1, wherein at the transverse intersection ofsaid first and second bore a groove is arranged circumferentially in theexterior of said stud sections to permit free passage of said screwthrough that section of the stud sections adjacent the intersection ofsaid first and second bore.
 4. A tool vise according to claim 2, whereinsaid clamping pieces are in the form of two adjacent and axially alignedbushings movably and detachably arranged inside said second bore anddrawn together by said clamping screw into clamping engagement with saidstud sections.
 5. A tool vise according to claim 4, wherein the inneradjoining ends of said clamping pieces are chamfered and form a curvedrecess corresponding and cooperating with the exterior of said studsections.
 6. A tool vise according to claim 4, wherein said pieces havea central passage in which said clamping screw is rotatably journaledand, wherein one of said pieces is arranged with inner threads meshingwith the outer threads of said screw and, the second of said pieces issandwiched between said first piece and a shoulder portion of said screwand, means for turning said screw to draw said pieces together.